Table 2 Comparison of tumor characteristics between the PTC + SHPT and PTC groups
From: Coexistence of papillary thyroid carcinoma in secondary hyperparathyroidism
| PTC + SHPT (n = 34) | PTC (n = 136) | p | |
|---|---|---|---|
| Age* (years) | 47 (30–69) | 47 (30–69) | 1.000 |
| Male | 15 (44.1%) | 15 (44.1%) | 1.000 |
| Tumor diameter* (mm) | 5.57 (0.5–15) | 9.00 (0.5–40) | < 0.001 |
| Tumor diameter < 10 mm | 29 (85.29%) | 86 (63.24%) | 0.014 |
| Tumor bilaterality | 9 (26.47%) | 29 (21.32%) | 0.499 |
| Tumor multicentricity | 15 (44.12%) | 39 (28.68%) | 0.066 |
| Tumor extrathyroidal extension | 2 (5.88%) | 19 (13.97%) | 0.255 |
| Lymph node metastasis rate | 12 (35.29%) | 49 (36.03%) | 1.000 |